<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
<style>
    @font-face {
        font-family: yk;
        src: url(./font/ygyxsziti2.0.ttf);
    }
    div{
        font-family: yk;
    }
</style>
</head>
<body>
    <div>hello world</div>
</body>
</html>